10002220122222 has 48 divisors (see below), whose sum is σ = 21804150251520. Its totient is φ = 3313667414736.

The previous prime is 10002220122203. The next prime is 10002220122253. The reversal of 10002220122222 is 22222102220001.

10002220122222 is a `hidden beast` number, since 100 + 0 + 2 + 220 + 122 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10002220122195 and 10002220122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22745043 + ... + 23180625.

It is an arithmetic number, because the mean of its divisors is an integer number (454253130240).

Almost surely, 2^{10002220122222} is an apocalyptic number.

10002220122222 is an abundant number, since it is smaller than the sum of its proper divisors (11801930129298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10002220122222 is a wasteful number, since it uses less digits than its factorization.

10002220122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443397 (or 443394 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10002220122222 its reverse (22222102220001), we get a palindrome (32224322342223).

The spelling of 10002220122222 in words is "ten trillion, two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".